Restore "Add current rss and embedder name to Observatory"

runtime/vm/service.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_SERVICE_H_
 #define RUNTIME_VM_SERVICE_H_
 
 #include "include/dart_tools_api.h"
 
 #include "vm/allocation.h"
 #include "vm/object_graph.h"
 #include "vm/object_id_ring.h"
 #include "vm/os_thread.h"
 
 namespace dart {
 
 #define SERVICE_PROTOCOL_MAJOR_VERSION 3
 #define SERVICE_PROTOCOL_MINOR_VERSION 5
 
 class Array;
 class EmbedderServiceHandler;
 class Error;
 class GCEvent;
 class GrowableObjectArray;
 class Instance;
 class Isolate;
 class JSONStream;
+class JSONObject;
 class Object;
 class RawInstance;
 class RawError;
 class ServiceEvent;
 class String;
 
 class ServiceIdZone {
  public:
   ServiceIdZone();
   virtual ~ServiceIdZone();
@@ skipping 55 matching lines @@
 
   static void RegisterIsolateEmbedderCallback(
       const char* name,
       Dart_ServiceRequestCallback callback,
       void* user_data);
 
   static void RegisterRootEmbedderCallback(const char* name,
                                            Dart_ServiceRequestCallback callback,
                                            void* user_data);
 
+  static void SetEmbedderInformationCallback(
+      Dart_EmbedderInformationCallback callback);
+
   static void SetEmbedderStreamCallbacks(
       Dart_ServiceStreamListenCallback listen_callback,
       Dart_ServiceStreamCancelCallback cancel_callback);
 
   static void SetGetServiceAssetsCallback(
       Dart_GetVMServiceAssetsArchive get_service_assets);
 
   static void SendEchoEvent(Isolate* isolate, const char* text);
   static void SendGraphEvent(Thread* thread,
                              ObjectGraph::SnapshotRoots roots,
@@ skipping 43 matching lines @@
 
   static RawObject* RequestAssets();
 
   static Dart_ServiceStreamListenCallback stream_listen_callback() {
     return stream_listen_callback_;
   }
   static Dart_ServiceStreamCancelCallback stream_cancel_callback() {
     return stream_cancel_callback_;
   }
 
+  static void PrintJSONForEmbedderInformation(JSONObject *jsobj);
   static void PrintJSONForVM(JSONStream* js, bool ref);
 
   static void CheckForPause(Isolate* isolate, JSONStream* stream);
 
+  static int64_t CurrentRSS();
+  static int64_t MaxRSS();
+
  private:
   static RawError* InvokeMethod(Isolate* isolate,
                                 const Array& message,
                                 bool parameters_are_dart_objects = false);
 
   static void EmbedderHandleMessage(EmbedderServiceHandler* handler,
                                     JSONStream* js);
 
   static EmbedderServiceHandler* FindIsolateEmbedderHandler(const char* name);
   static EmbedderServiceHandler* FindRootEmbedderHandler(const char* name);
@@ skipping 22 matching lines @@
                         const char* kind,
                         JSONStream* event);
 
   static RawError* MaybePause(Isolate* isolate, const Error& error);
 
   static EmbedderServiceHandler* isolate_service_handler_head_;
   static EmbedderServiceHandler* root_service_handler_head_;
   static Dart_ServiceStreamListenCallback stream_listen_callback_;
   static Dart_ServiceStreamCancelCallback stream_cancel_callback_;
   static Dart_GetVMServiceAssetsArchive get_service_assets_callback_;
+  static Dart_EmbedderInformationCallback embedder_information_callback_;
 
   static bool needs_isolate_events_;
   static bool needs_debug_events_;
   static bool needs_gc_events_;
   static bool needs_echo_events_;
   static bool needs_graph_events_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_SERVICE_H_